Body Systems 1
The system that breaks down food for cells to use.....
Digestive system
Body system that captures oxygen from the atmosphere...
Respiratory system
The body system that makes blood cells is
Skeletal System
What is considered to be our body's delivery system?
Circulatory System
It delivers oxygen and nutients to every part of your body and picks up waste products on the return trip.
What organ selectively filters your blood and puts the waste products into your urine?
kidneys
This body system contains all the eggs a female will have in her life.
Reproductive System
This organ of the circulatory system is composed of the strongest type muscle in the body and is a pump.
Heart
What are the small air sacks inside the lungs where gas exchange occurs called?
Alveoli
The basic building blocks of all living organisms
cells
This is the most harmful bacteria to humans
Staph
A waste gas that is transported in veins from the body cells to the heart.
carbon dioxide
What is a hormone?
A chemical messenger telling your cells to active or change
What is the function of pili on bacteria?
Increase the surface to grab ahold of other cells.
What is this muscular bag that contains hydrochloric acid and breaks food down
Stomach
How do bacteria move around?
flagella or flagellum
Differences between arteries and veins
( Why are arteries colored red and the veins blue? )
Arteries carry oxygen rich blood from heart to the rest of your body, and veins carry blood less oxygen back to the lungs.
Veins contain valves, arteries do not.
Arteries have a thicker wall than veins
True or False
The urinary tract is part of the excretory system.
true
How do we slow down or stop the growth of bacteria?
1. refrigerate to slow
2. freeze to stop
List the 5 main organs that make up the Digestive System.
mouth, esophagus, stomach,small intestine, large intestine
Why are bones considered alive?
have nerves, grow and develop, Move, Create blood cells, and have blood vessels
These two systems work together to enable us to move
muscular and skeletal
(muscles and skeleton)
This body system is in a constant battle between the outside elements and helps fight disease
Immune system
Name 2 of the three main ways to be heart smart and stay away from the problems including high blood pressure, heart attack and stroke
1.don't smoke
2.eat healthy
3.regular exercise
List the 3 main organs that make up the Respiratory System
nose, throat (larynx), trachea, lungs, bronchi, alveoli
How does food get to the cells. List two organ systems in your response.
digestive or respiratory and circulatory
Explain the three principles of the cell theory.
This part of the digestive system is where 90%+ of the nutrients are absorbed
small intestine
What is photosynthesis?
The process that the plant absorbs sunlight and uses the sun's energy to make food from the water and air.
This organ works with 2 systems. It secretes bile to help breakdown food in the digestive system, and it also creates a hormone called insulin that helps us breakdown sugar.
pancreas
If humans live to the age of 80, and their hearts beat an average of 70 times a minute, how many times will their hearts beat through a lifetime?
Explain your math equation.